Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e0aaf42c74b7dcc…

MALICIOUS

PDF

89.9 KB Created: 2021-02-21 02:59:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: eea9b0272259146f9751966343bb16f8 SHA-1: d6af9ffb510b3059140758e2f54bbd5166228c0a SHA-256: 9e0aaf42c74b7dcc75f7a7fa3127733852640a6d15321e6cdc37a62e62d9e28c
126 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to external sites, many of which are hosted on disposable domains, indicating a link farm designed to distribute malicious content or phish users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests this malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://seumenha.ru/wix?keyword=field+guide+to+awkward+silences PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4417535/normal_6004d068210b2.pdfIn PDF document text
    • http://vebilodugisugod.iblogger.org/pemotexovuwawikuzuga.pdfIn PDF document text
    • https://cdn.sqhk.co/xuzuvazol/jexicML/head_basketball_cheat_apk_download.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4452193/normal_5fd0996b6acd4.pdfIn PDF document text
    • http://pihodze.com/bileke_fonksiyon_zelliklerilfl3r.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4383308/normal_60222d65ea865.pdfIn PDF document text
    • https://cdn.sqhk.co/powirafawume/hjhRig7/food_wars_season_2_netflix.pdfIn PDF document text
    • http://lutikewoduwafev.iblogger.org/wahl_home_pro_basic_clipper_kit_uk.pdfIn PDF document text
    • http://rineset.xyz/casadio_enea_grinder_manualc3vu6.pdfIn PDF document text
    • http://tublitalia.space/xikivamoracpw3n.pdfIn PDF document text
    • https://cdn.sqhk.co/nimenodeloxa/hjifB10/cute_free_ringtones_for_iphone_7_plus.pdfIn PDF document text
    • http://2220202.ru/47432743757jvj1n.pdfIn PDF document text
    • https://s3.amazonaws.com/kefodek/primate_cladogram_worksheet.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4464522/normal_600540a758144.pdfIn PDF document text
    • https://cdn.sqhk.co/foseziwate/tij6jd0/80004162588.pdfIn PDF document text
    • https://s3.amazonaws.com/wefemabeni/35670510932.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://takodibunogudas.epizy.com/rewetunupiwoje.pdfIn PDF document text
    • http://renizovakosa.epizy.com/35713586782.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000122bc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x122BC 5216 bytes
SHA-256: 82f5e92c77f42708483a6925a95642f52a73912285e323f31aef57a1923c4da5
font_01_sfnt_off000134aa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x134AA 10720 bytes
SHA-256: d5f3b2139cdcccc2c5697f8aab8f3ad048f1a3d1d1e8ed002671ec45eaa01d01

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